He grinded his teeth and scowled.

他咬牙切齿，怒目而视。

Dad has the habit of grinding his teeth in his sleep.

老爸有睡觉时磨牙的习惯。

I tried to force them back by grinding my teeth together.

我咬紧牙关竭力忍住了。

The molars are grinding teeth for eating leaves and vegetable type things.

臼齿是磨牙，用来吃树叶和蔬菜类的东西。

At the back of the mouth there are grinding teeth, which crush the animal's food into small pieces.

老鼠嘴巴的后部则长有磨牙, 可以将食物磨成碎片。

It's more about the pain cause it hurts but you just kind of grind your teeth and bear it.

最糟糕的还是疼痛，纹身时非常疼，不过只要咬牙坚持就好了。

Then these cuds come up one by one to the mouth, where they are slowly chewed by the flat grinding teeth.

然后，青草团子一个接一个送回嘴里，绵羊用臼齿，慢慢地嚼这些团子。

She grinds her teeth in her sleep now.

她现在睡觉会磨牙。

Hera was grinding her teeth and looking furious. Julia shuddered.

赫拉咬着牙，一副怒不可遏的样子。茱莉亚打了个寒颤。

I keep grinding my teeth, and I want to kiss everybody.

我不停的磨牙 见着人就想亲两口。

" Don't torture me till I am as mad as yourself, " cried he, wrenching his head free, and grinding his teeth.

“不要把我折磨得跟你自己一样地发疯吧，”他叫，扭开他的头，咬着牙。

Looking at the first skull, we can easily see that it has flat, grinding teeth.

查看第一个头骨，我们可以很容易地看到它有扁平的磨牙。

On the last one, however, he shot off in completely the wrong direction; the crowd laughed and booed and McLaggen returned to the ground grinding his teeth.

不过，在救最后一个球时，他朝着完全相反的方向扑去。观众们哄堂大笑，给他喝倒彩，麦克拉根咬着牙回到了球场上。

A few of the men maintained their appearance of calm by bracing against their armrests and grinding their teeth, but their fear was written all over them.

几个男人死死撑住座位扶手，咬紧牙关，竭力保持镇静，但是浑身上下都透出惶恐。

Even though tooth enamel is the hardest substance in your body, it can still be damaged, like if you grind your teeth, have cavities, or drink lots of acidic sodas.

尽管牙釉质是你身体中最坚硬的物质，但它仍然可以被损坏，比如磨牙、有蛀牙，或喝大量酸性汽水。

Up and down he paced, consumed with anger and frustration, grinding his teeth and clenching his fists, casting angry looks out at the empty, star-strewn sky every time he passed the window.

他踱过来踱过去，内心充满了火气和沮丧。他把牙齿咬得咯咯响，拳头捏得紧紧的，每次经过窗口，都把愤怒的目光投向外面群星闪烁的空荡荡的夜空。